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comparison src/audio/mint/SDL_mintaudio_stfa.c @ 2060:866052b01ee5

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indent is evil
author Sam Lantinga <slouken@libsdl.org>
date Sat, 28 Oct 2006 16:48:03 +0000
parents 5f6550e5184f
children 29e07f91bc1f
comparison
equal deleted inserted replaced
2059:4685ccd33d0e 2060:866052b01ee5
96 void *oldpile = (void *) Super(0); 96 void *oldpile = (void *) Super(0);
97 cookie_stfa->sound_enable = STFA_PLAY_DISABLE; 97 cookie_stfa->sound_enable = STFA_PLAY_DISABLE;
98 Super(oldpile); 98 Super(oldpile);
99 99
100 /* Wait if currently playing sound */ 100 /* Wait if currently playing sound */
101 while (SDL_MintAudio_mutex != 0) {} 101 while (SDL_MintAudio_mutex != 0) {
102 }
102 103
103 /* Clear buffers */ 104 /* Clear buffers */
104 if (SDL_MintAudio_audiobuf[0]) { 105 if (SDL_MintAudio_audiobuf[0]) {
105 Mfree(SDL_MintAudio_audiobuf[0]); 106 Mfree(SDL_MintAudio_audiobuf[0]);
106 SDL_MintAudio_audiobuf[0] = SDL_MintAudio_audiobuf[1] = NULL; 107 SDL_MintAudio_audiobuf[0] = SDL_MintAudio_audiobuf[1] = NULL;
118 119
119 DEBUG_PRINT((DEBUG_NAME "asked: %d bits, ", 120 DEBUG_PRINT((DEBUG_NAME "asked: %d bits, ",
120 SDL_AUDIO_BITSIZE(this->spec.format))); 121 SDL_AUDIO_BITSIZE(this->spec.format)));
121 DEBUG_PRINT(("float=%d, ", SDL_AUDIO_ISFLOAT(this->spec.format))); 122 DEBUG_PRINT(("float=%d, ", SDL_AUDIO_ISFLOAT(this->spec.format)));
122 DEBUG_PRINT(("signed=%d, ", SDL_AUDIO_ISSIGNED(this->spec.format))); 123 DEBUG_PRINT(("signed=%d, ", SDL_AUDIO_ISSIGNED(this->spec.format)));
123 DEBUG_PRINT(("big endian=%d, ", SDL_AUDIO_ISBIGENDIAN(this->spec.format))); 124 DEBUG_PRINT(("big endian=%d, ",
125 SDL_AUDIO_ISBIGENDIAN(this->spec.format)));
124 DEBUG_PRINT(("channels=%d, ", this->spec.channels)); 126 DEBUG_PRINT(("channels=%d, ", this->spec.channels));
125 DEBUG_PRINT(("freq=%d\n", this->spec.freq)); 127 DEBUG_PRINT(("freq=%d\n", this->spec.freq));
126 128
127 if (SDL_AUDIO_BITSIZE(this->spec.format) > 16) { 129 if (SDL_AUDIO_BITSIZE(this->spec.format) > 16) {
128 this->spec.format = AUDIO_S16SYS; /* clamp out int32/float32 ... */ 130 this->spec.format = AUDIO_S16SYS; /* clamp out int32/float32 ... */
129 } 131 }
130 132
131 if (this->spec.channels > 2) { 133 if (this->spec.channels > 2) {
132 this->spec.channels = 2; /* no more than stereo! */ 134 this->spec.channels = 2; /* no more than stereo! */
133 } 135 }
134 136
135 /* Check formats available */ 137 /* Check formats available */
136 MINTAUDIO_freqcount = 0; 138 MINTAUDIO_freqcount = 0;
137 for (i = 0; i < 16; i++) { 139 for (i = 0; i < 16; i++) {
152 154
153 DEBUG_PRINT((DEBUG_NAME "obtained: %d bits, ", 155 DEBUG_PRINT((DEBUG_NAME "obtained: %d bits, ",
154 SDL_AUDIO_BITSIZE(this->spec.format))); 156 SDL_AUDIO_BITSIZE(this->spec.format)));
155 DEBUG_PRINT(("float=%d, ", SDL_AUDIO_ISFLOAT(this->spec.format))); 157 DEBUG_PRINT(("float=%d, ", SDL_AUDIO_ISFLOAT(this->spec.format)));
156 DEBUG_PRINT(("signed=%d, ", SDL_AUDIO_ISSIGNED(this->spec.format))); 158 DEBUG_PRINT(("signed=%d, ", SDL_AUDIO_ISSIGNED(this->spec.format)));
157 DEBUG_PRINT(("big endian=%d, ", SDL_AUDIO_ISBIGENDIAN(this->spec.format))); 159 DEBUG_PRINT(("big endian=%d, ",
160 SDL_AUDIO_ISBIGENDIAN(this->spec.format)));
158 DEBUG_PRINT(("channels=%d, ", this->spec.channels)); 161 DEBUG_PRINT(("channels=%d, ", this->spec.channels));
159 DEBUG_PRINT(("freq=%d\n", this->spec.freq)); 162 DEBUG_PRINT(("freq=%d\n", this->spec.freq));
160 163
161 return 0; 164 return 0;
162 } 165 }
219 return 0; 222 return 0;
220 } 223 }
221 224
222 /* Initialize all variables that we clean on shutdown */ 225 /* Initialize all variables that we clean on shutdown */
223 this->hidden = (struct SDL_PrivateAudioData *) 226 this->hidden = (struct SDL_PrivateAudioData *)
224 SDL_malloc((sizeof *this->hidden)); 227 SDL_malloc((sizeof *this->hidden));
225 if (this->hidden == NULL) { 228 if (this->hidden == NULL) {
226 SDL_OutOfMemory(); 229 SDL_OutOfMemory();
227 return 0; 230 return 0;
228 } 231 }
229 SDL_memset(this->hidden, 0, (sizeof *this->hidden)); 232 SDL_memset(this->hidden, 0, (sizeof *this->hidden));
231 SDL_CalculateAudioSpec(&this->spec); 234 SDL_CalculateAudioSpec(&this->spec);
232 235
233 /* Allocate memory for audio buffers in DMA-able RAM */ 236 /* Allocate memory for audio buffers in DMA-able RAM */
234 DEBUG_PRINT((DEBUG_NAME "buffer size=%d\n", this->spec.size)); 237 DEBUG_PRINT((DEBUG_NAME "buffer size=%d\n", this->spec.size));
235 238
236 SDL_MintAudio_audiobuf[0] = Atari_SysMalloc(this->spec.size * 2, MX_STRAM); 239 SDL_MintAudio_audiobuf[0] =
240 Atari_SysMalloc(this->spec.size * 2, MX_STRAM);
237 if (SDL_MintAudio_audiobuf[0] == NULL) { 241 if (SDL_MintAudio_audiobuf[0] == NULL) {
238 SDL_OutOfMemory() 242 SDL_OutOfMemory()
239 SDL_free(this->hidden); 243 SDL_free(this->hidden);
240 this->hidden = NULL; 244 this->hidden = NULL;
241 return 0; 245 return 0;
242 } 246 }
243 SDL_MintAudio_audiobuf[1] = SDL_MintAudio_audiobuf[0] + this->spec.size; 247 SDL_MintAudio_audiobuf[1] = SDL_MintAudio_audiobuf[0] + this->spec.size;
244 SDL_MintAudio_numbuf = 0; 248 SDL_MintAudio_numbuf = 0;
245 SDL_memset(SDL_MintAudio_audiobuf[0],this->spec.silence,this->spec.size*2); 249 SDL_memset(SDL_MintAudio_audiobuf[0], this->spec.silence,
250 this->spec.size * 2);
246 SDL_MintAudio_audiosize = this->spec.size; 251 SDL_MintAudio_audiosize = this->spec.size;
247 SDL_MintAudio_mutex = 0; 252 SDL_MintAudio_mutex = 0;
248 253
249 DEBUG_PRINT((DEBUG_NAME "buffer 0 at 0x%08x\n", 254 DEBUG_PRINT((DEBUG_NAME "buffer 0 at 0x%08x\n",
250 SDL_MintAudio_audiobuf[0])); 255 SDL_MintAudio_audiobuf[0]));
254 SDL_MintAudio_CheckFpu(); 259 SDL_MintAudio_CheckFpu();
255 260
256 /* Setup audio hardware */ 261 /* Setup audio hardware */
257 MINTSTFA_InitAudio(this); 262 MINTSTFA_InitAudio(this);
258 263
259 return 1; /* good to go. */ 264 return 1; /* good to go. */
260 } 265 }
261 266
262 267
263 static int 268 static int
264 MINTSTFA_Init(SDL_AudioDriverImpl *impl) 269 MINTSTFA_Init(SDL_AudioDriverImpl * impl)
265 { 270 {
266 /* Cookie _MCH present ? if not, assume ST machine */ 271 /* Cookie _MCH present ? if not, assume ST machine */
267 if (Getcookie(C__MCH, &cookie_mch) == C_NOTFOUND) { 272 if (Getcookie(C__MCH, &cookie_mch) == C_NOTFOUND) {
268 cookie_mch = MCH_ST; 273 cookie_mch = MCH_ST;
269 } 274 }